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First report of a cat (Felis catus) infected by Leishmania (Viannia) guyanensis from Southeastern Brazil.
Vet Res Commun
January 2025
René Rachou Institute - Osvaldo Cruz Foundation, Belo Horizonte, Minas Gerais, Brazil.
Feline leishmaniasis is increasingly recognized as a disease affecting cats worldwide, with notable prevalence in regions surrounding the Mediterranean Basin and in Brazil. An approximately one-year-old domestic shorthair cat was presented with small papules and nodules (2 mm) on the nasal planum. Physical examination and routine blood analyses were normal.
View Article and Find Full Text PDFPlatelet Mitochondrial Function and Endogenous Coenzyme Q Levels Could Be Used as Markers of Mitochondrial Health in Infertile Men: A Pilot Study.
Int J Mol Sci
December 2024
Faculty of Medicine, Slovak Medical University, Limbová 12, 833 03 Bratislava, Slovakia.
Fertility disorders are a worldwide problem affecting 8-12% of the population, with the male factor substantially contributing to about 40-50% of all infertility cases. Mitochondria, crucial organelles for cellular viability, play a pivotal role in the processes of spermatogenesis and significantly affect sperm quality and their fertilizing ability. Mitochondrial oxidative phosphorylation (OXPHOS) dysfunction, reduced energy supply for sperm, reduced endogenous coenzyme Q (CoQ) levels, and oxidative stress are among the main factors that contribute to male infertility.
View Article and Find Full Text PDFMonitoring Seroprevalence of Infectious Diseases in the Florida Panther (Puma concolor coryi).
J Wildl Dis
November 2024
Department of Ecology, Evolution, and Behavior, University of Minnesota, 1987 Upper Buford Circle, St. Paul, Minnesota 55108, USA.
Infectious diseases can have detrimental effects on wildlife populations, particularly those that persist at small sizes, have low genetic diversity, and are affected by fragmented habitat. One such example is the endangered Florida panther (Puma concolor coryi), which has been intensively managed since the early 1980s, with the current population ranging between 120 and 230 individuals. For more than three decades, panthers have been captured, demographics recorded, and blood samples collected to monitor for multiple infectious diseases; however, an updated comprehensive study of many of these pathogens has not occurred since 1991.
View Article and Find Full Text PDFThe annual ovarian cycle in Northern pit vipers (Bothrops atrox) using serum steroids and ultrasound of the female reproductive tract.
Gen Comp Endocrinol
October 2024
Study Group for Avian Multiplication - GEMA, Department of Animal Reproduction. College of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo, Brazil. Electronic address:
Knowledge on hormonal regulation of reproductive cycles in viperid snakes is still incipient, especially when it comes to females and tropical species. There is an urgent need to understand the reproduction of venomous snakes to improve assisted reproduction techniques and optimize the maintenance of these animals in captivity. With this in mind, we monitored Northern pit viper females year-round throughout different seasons via serum levels of progesterone (P) and estradiol (E) in conjunction with ultrasound examinations.
View Article and Find Full Text PDFAdapting the SMART tube technology for flow cytometry in feline full blood samples.
Front Vet Sci
June 2024
Department of Veterinary Sciences, AG Immunology, LMU Munich, Planegg, Germany.
Article Synopsis
- Flow cytometry is an important tool for monitoring immune responses in both humans and animals, including cats, but requires prompt processing of blood samples for accurate analysis.
- The SMART Tube system enables long-term storage of whole blood samples at -80°C, but had only been used for human samples until now.
- A new protocol for flow cytometry using SMART Tubes has been developed for feline blood samples, allowing analysis of various immune cells up to 2 years after collection, thereby enhancing veterinary research possibilities.
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